#! python3
# runoob.com 例子


def fibonacci(n):
    """
    斐波纳契数列
    :param n:
    :return:
    """
    a = 0
    b = 1
    while a <= n:
        print(b, " ", end="", flush=True)
        a, b = b, a + b


if __name__ == '__main__':

    fibonacci(1000)

    print('\n程序自身在运行')
else:
    print('是另一模块调用了我')
